FAD7191M1X

Gate Driver Overview

The FAD7191M1X is a high-voltage half-bridge gate driver IC from onsemi, designed for automotive applications. It integrates high-side and low-side drivers capable of switching IGBTs and N-channel MOSFETs. The device features a peak output current of 4.5 A with typical rise and fall times of 25 ns. It operates within a supply voltage range of 7.8 V to 9.8 V or 10 V to 22 V depending on the specific configuration reference, supporting a maximum high-side bootstrap voltage of 600 V. Qualified under AEC-Q101 standards, it functions reliably between -40°C and +125°C in a 14-SOIC package.

Gate Driver Feature Summary

• Integrates independent high-side and low-side gate drivers for half-bridge topologies
• Provides high-current drive capability suitable for fast-switching power devices
• Includes protection mechanisms against shoot-through and overcurrent conditions
• Automotive-grade qualification ensures reliability in harsh operating environments

Gate Driver Applications

• Electric vehicle traction inverters
• On-board chargers (OBC)
• DC-DC converters for automotive systems
• Solid-state circuit breakers

Gate Driver Procurement Notes

Verify the specific datasheet revision and ordering suffix when sourcing. Confirm that the component meets AEC-Q101 requirements for your target automotive application. Check for any recent Product Change Notifications (PCN) regarding manufacturing site changes or material declarations. Ensure compatibility with your PCB footprint for the 14-SOIC package. Validate supply chain authenticity through authorized distributors.

Gate Driver Selection Notes

Select this driver for applications requiring robust half-bridge control with high voltage isolation capabilities. Consider the 4.5 A peak current for driving medium-power IGBTs or MOSFETs. Evaluate the 600 V blocking voltage against your system's DC bus requirements. Ensure the logic input levels are compatible with your microcontroller or PWM controller outputs. Review thermal performance constraints given the SOIC package and power dissipation limits.

Gate Driver Part Context

This component belongs to the FAN7191/FAD7191 family of high-voltage gate drivers. The 'FA' prefix typically denotes automotive-grade variants compliant with AEC-Q101 standards. These drivers are part of onsemi's portfolio for power management and motor control solutions, specifically targeting electric mobility and industrial power conversion markets where reliability and performance are critical.

Gate Driver Replacement Considerations

Direct replacements may include other AEC-Q101 qualified half-bridge drivers from onsemi such as the FAN7191 series. Verify pin-to-pin compatibility and electrical specifications like peak current and delay matching before substitution. Cross-reference with similar offerings from other manufacturers only if functional equivalence is confirmed via detailed datasheet comparison.